Fig. 2From: Extent of spike shedding and stem wilting of pepper (Piper nigrum L.) in Morogoro District, TanzaniaResults of a survey of villages in Morogoro district, Tanzania, where pepper farms were surveyed for symptoms of spike shedding and stem wilting. a Age and sex of the respondents in the study area. b The duration which respondents had been engaged in pepper farmingBack to article page